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Merge PDFs
Combine PDF files in selected order, optionally choosing pages from each file.
Browser only
Your input and output are processed in this browser. They are not uploaded for processing. No account is required.
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How to use this tool
- Select PDF files and use Move up/down to set their order.
- Optionally enter one page selection per file separated by semicolons, such as 1-2;3.
- Choose Process PDF. Review the result and download it.
- Reset clears files and output. Changing settings clears stale results; Cancel terminates the active local worker.
Examples
Combine a report cover from file one with pages 2-8 from file two.
Limitations
Processing is browser-local; document bytes are never uploaded.
Unencrypted PDFs only. 50 MiB per PDF, 100 MiB total, 20 files and 500 pages. A worker can be cancelled and stops after 120 seconds.
Edited documents do not preserve document-level forms, bookmarks, attachments, actions or digital signatures. Keep the original and review outputs.
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